Galileo Galilei (1564-1642) was a famous astronomer who invented the sector-compass and made the first practical use of the telescope. He discovered the four, bright satellites of Jupiter, discovered the Law of Falling Bodies, and was a brilliant mathematician.

"I am inclined to think that the authority of Holy Scripture is intended to convince men of those truths which are necessary for their salvation, which, being far above man's understanding, can not be made credible by any learning, or any other mans than revelation by the Holy Spirit." - "Famous Men of Science," by Sarah K. Bolton, p.16.

"I send you a rose, which ought to please you extremely, seeing what a rarity it is at this season. And with the rose you must accept its thorns, which represent the bitter suffering of our Lord, while the green leaves represent the hope we may entertain, that through the same sacred passion we, having passed through the darkness of this short winter of our mortal life, may attain to the brightness and felicity of an eternal spring in Heaven." - "Famous Men of Science," by Sarah K. Bolton, p.18.